Roborock S5Max S6MaxV Electric Water Tank Tray Replacement

LDGSUPH Electric Control Water Tank for Roborock S5Max, S6MaxV, and Compatible Models

The mopping function of your Roborock robot vacuum is only as effective as the water tank assembly that controls water delivery to the mop pad. The LDGSUPH Electric Control Water Tank Tray Replacement is designed to be compatible with a wide range of Roborock models including the T7, T7 PRO, S5 MAX, S50 MAX, S55 MAX, and S6 MAX series. This replacement water tank maintains the precision water delivery, leak-proof sealing, and quiet operation that define the mopping experience on these premium robot vacuum platforms.

Robot vacuum water tanks are subject to significant wear over their operational life. Constant filling, emptying, and the chemical exposure from cleaning solutions gradually degrade the sealing components, the water control valve mechanism, and the structural integrity of the tank body itself. When the water tank begins to show signs of wear, the result is uneven mopping coverage, water leakage onto floors and internal electronics, and the loss of the smart water control functionality that allows the Roborock to adapt its water output based on the cleaning mode in use. Replacing the water tank assembly restores all of these functions.

Key Features of This Replacement Water Tank Assembly

Sealed Leak-Proof Design with High-Elastic Silicone Ring

The most critical performance attribute of any robot vacuum water tank is its ability to prevent leaks during operation. This LDGSUPH replacement tank incorporates a built-in high-elastic silicone sealing ring that tightly fits the vacuum cleaner interface, maintaining a watertight seal even when the robot is actively moving and cleaning. The flexibility of the silicone seal allows it to accommodate the minor movement and vibration of robot operation without losing its seating. This means the tank can be full of water and the robot can be navigating its cleaning path without any risk of water leaking onto the internal circuit board or onto your floors.

Precise Electric Water Control Structure

One of the defining features of premium Roborock robot vacuums is their ability to intelligently control the flow of water to the mop pad based on the active cleaning mode. This LDGSUPH replacement tank preserves this functionality through a built-in miniature water control valve that interfaces with the robot vacuum's electronic control system. The valve automatically adjusts water output in response to commands from the vacuum, preventing excessive water delivery that could create puddles or saturate delicate floor surfaces, while also ensuring sufficient moisture for effective mopping when needed.

Accurate 1:1 Model Adaptation

The dimensional accuracy of a replacement water tank is critical for proper installation and reliable operation. This LDGSUPH tank is manufactured using 1:1 moulding based on the original Roborock tank specifications, with clip positions, slot shapes, and connector geometry fully matching the corresponding robot vacuum models. The result is a component that installs without adjustment, sits securely in the tank bay, and maintains stable positioning during robot operation. Properly sized replacement parts also ensure that the robot vacuum's sensors and electronic interfaces connect correctly to the tank assembly.

Low-Noise Water Output Design

Water flow through a robot vacuum's mopping system can generate noise as liquid moves through channels and valves during operation. The LDGSUPH replacement tank uses an optimized water channel structure that reduces the impact noise generated during water flow. This thoughtful design complements the Roborock's overall noise control engineering, ensuring that the mopping function does not produce distracting sounds during a cleaning cycle. For households where the robot vacuum operates during quiet hours, this noise reduction is a meaningful quality-of-life feature.

Easy Split-Structure Cleaning Design

Maintaining hygiene in a robot vacuum's water tank is essential for preventing mold, mildew, and limescale buildup that can compromise water quality and introduce unpleasant odors into your home. The LDGSUPH replacement tank uses a split structure that allows the tank body and its accessories to be fully detached from each other for cleaning. The smooth inner walls without recessed grooves or dead corners make it easy to rinse out mineral deposits, residual cleaning solution, and biofilm buildup during routine maintenance. Thorough cleaning of the water tank is significantly easier when you can disassemble it completely.

Compatible Roborock Models

This replacement water tank is designed for compatibility with the Roborock T7, T7 PRO, S5 MAX, S50 MAX, S55 MAX, and S6 MAX robot vacuum models. These represent some of Roborock's most capable and popular robot vacuum platforms, featuring their signature combination of powerful suction, intelligent navigation, and electronic water tank mopping. If you own one of these models and your water tank is showing signs of wear or damage, this LDGSUPH replacement provides a direct path to restoring the mopping functionality.

Before purchasing, confirm your exact Roborock model number against the compatibility list. The water tank assembly and its electronic connections are specific to particular model lines, and using an incompatible tank can result in improper seating, sensor errors, or the mopping function not activating correctly.

Best For

• Roborock T7, T7 PRO, S5 MAX, S50 MAX, S55 MAX, and S6 MAX owners experiencing water tank leaks or reduced mopping performance
• Anyone dealing with water leakage from a worn or cracked Roborock water tank that risks damaging internal electronics
• Users who want to restore precision water control for mode-adaptive mopping performance
• Households that mop frequently and subject their robot vacuum water tank to heavy daily use
• DIY-oriented robot vacuum owners who prefer component-level repair over full unit replacement